Canva - Canva is a graphic-design platform with a drag-and-drop interface to create print or visual content while providing templates, images, and fonts. Canva makes graphic design more straightforward and accessible regardless of skill level.

Video Thumbnails Maker - Allows you to make thumbnails (caps, previews, screen-lists) and screenshots of video files.

Picmaker - Design the Future

Ezthumb - A video thumbnail generator based on ffmpeg.

Mega Creator - Create graphics for any needs and tell your stories with visuals

Auto-Movie-Thumbnailer - AMT - Auto-Movie-Thumbnailer v11 THE Batch Movie ScreenCap Creator... Create ScreenCaps of - any number of movies, - located anywhere on your computer, -